1import { describe, expect, it } from "vitest";2import { hasCompletedInitialSync } from "./initial-sync";34describe("initial sync readiness", () => {5 it("waits while the newly paired source has never completed a sync", () => {6 expect(7 hasCompletedInitialSync(8 [{ deviceId: "source", lastSyncedAt: undefined }],9 "source",10 ),11 ).toBe(false);12 });1314 it("does not accept another mesh peer's completed sync", () => {15 expect(16 hasCompletedInitialSync(17 [18 { deviceId: "source" },19 { deviceId: "other", lastSyncedAt: 1_700_000_000_000 },20 ],21 "source",22 ),23 ).toBe(false);24 });2526 it("becomes ready after the paired source records a completed sync", () => {27 expect(28 hasCompletedInitialSync(29 [{ deviceId: "source", lastSyncedAt: 1_700_000_000_000 }],30 "source",31 ),32 ).toBe(true);33 });34});